Home / 12,346,501.10-18,515,825.68-11,540,494.61

Finding the Fourth Proportional to 12,346,501.10, 18,515,825.68 and 11,540,494.61

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Solution

The fourth proportional to 12,346,501.10, 18,515,825.68 and 11,540,494.61 is: 17,307,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346,501.10 : 18,515,825.68 = 11,540,494.61 : x
  2. Step 2: Convert to fraction form
    12,346,501.10/18,515,825.68 = 11,540,494.61/x
  3. Step 3: Cross multiply
    12,346,501.10x = 18,515,825.68 × 11,540,494.61
  4. Step 4: Simplify right side
    12,346,501.10x = 213,681,786,459,739.56
  5. Step 5: Solve for x
    x = 213,681,786,459,739.56/12,346,501.10
  6. Step 6: Final answer
    x = 17,307,072.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.